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Colonic Pseudo-obstruction With Transition Zone: A Peculiar Eastern Severe Dysmotility.

ABSTRACT: Background/Aims:Previous studies from Korea have described chronic intestinal pseudo-obstruction (CIPO) patients with transition zone (TZ) in the colon. In this study, we evaluated the pathological characteristics and their association with long-term outcomes in Korean colonic pseudo-obstruction (CPO) patients with TZ. Methods:We enrolled 39 CPO patients who were refractory to medical treatment and underwent colectomy between November 1989 and April 2016 (median age at symptoms onset: 45 [interquartile range, 29-57] years, males 46.2%). The TZ was defined as a colonic segment connecting a proximally dilated and distally non-dilated segment. Detailed pathologic analysis was performed. Results:Among the 39 patients, 37 (94.9%) presented with TZ and 2 (5.1%) showed no definitive TZ. Median ganglion cell density in the TZ adjusted for the colonic circumference was significantly decreased compared to that in proximal dilated and distal non-dilated segments in TZ (+) patients (9.2 vs 254.3 and 150.5, P ? 0.001). Among the TZ (+) patients, 6 showed additional pathologic findings including eosinophilic ganglionitis (n = 2), ulcers with combined cytomegalovirus infection (n = 2), diffuse ischemic changes (n = 1), and heterotropic myenteric plexus (n = 1). During follow-up (median, 61 months), 32 (82.1%) TZ (+) patients recovered without symptom recurrence after surgery. The presence of pathological features other than hypoganglionosis was an independent predictor of symptom recurrence after surgery (P = 0.046). Conclusions:Hypoganglionosis can be identified in the TZ of most Korean CPO patients. Detection of other pathological features in addition to TZ-associated hypoganglionosis was associated with poor post-operative outcomes.

SUBMITTER: Song EM

PROVIDER: S-EPMC6326194 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Colonic Pseudo-obstruction With Transition Zone: A Peculiar Eastern Severe Dysmotility.

Song Eun Mi EM Kim Jong Wook JW Lee Sun-Ho SH Chang Kiju K Hwang Sung Wook SW Park Sang Hyoung SH Yang Dong-Hoon DH Jung Kee Wook KW Ye Byong Duk BD Byeon Jeong-Sik JS Yang Suk-Kyun SK Lee Hyo Jeong HJ Yu Chang Sik CS Kim Chan Wook CW Park Seong Ho SH Kim Jihun J Myung Seung-Jae SJ

Journal of neurogastroenterology and motility 20190101 1

<h4>Background/aims</h4>Previous studies from Korea have described chronic intestinal pseudo-obstruction (CIPO) patients with transition zone (TZ) in the colon. In this study, we evaluated the pathological characteristics and their association with long-term outcomes in Korean colonic pseudo-obstruction (CPO) patients with TZ.<h4>Methods</h4>We enrolled 39 CPO patients who were refractory to medical treatment and underwent colectomy between November 1989 and April 2016 (median age at symptoms on ...[more]

PMID: 30646485

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Project description:ObjectivesPneumatosis intestinalis is a rare condition with subserosal or submucosal gas-filled cysts of the gastrointestinal tract. It is often associated with acute mesenteric ischemia, but also non-ischemic causes are described.Case presentationA 27-year-old male patient with severe congenital spastic tetraparesis presented to the emergency room with fever and reduced general condition. The patient was hypotonic and tachycardic, had a fever up to 39.7 °C and reduced peripheral oxygen saturation. The laboratory analyses revealed leukocytosis (16.7 G/L) and elevated CRP (162 mg/L).The patient was admitted to the intensive care unit (ICU) for invasive ventilator treatment because of global respiratory insufficiency and antibiotic therapy due to acute pneumonia and severe acute respiratory distress syndrome (ARDS). In addition, he suffered from colonic pseudo-obstruction but with persistent stool passage. After pulmonary recovery, he was transferred to the normal ward of internal medicine, but signs of colonic pseudo-obstruction were still present.Under therapy with diatrizoic acid and neostigmine, the abdomen was less distended, and the patient had regular bowel movements. After four days, the patient developed sudden acute abdominal pain and suffered sudden pulseless electrical activity. Immediate cardiopulmonary resuscitation was provided. After the return of spontaneous circulation, the patient underwent computed tomography (CT) and was re-admitted to the ICU. The CT scan showed massive dilatation of the colon, including pneumatosis coli, extensive gas formation within the mesenteric veins and arteries, including massive portal gas in the liver, the splenic vein, the renal veins, and disruption of abdominal aortic perfusion. The patient was then first presented for surgical evaluation, but due to futile prognosis, treatment was ceased on the ICU.ConclusionsIn conclusion, colonic pseudo-obstruction might have led to colonic necrosis and consecutive massive gas formation within the mesenteric vessels. Therefore, intestinal passage should be restored as soon as possible to avoid possible mortality.

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Colonic Pseudo-obstruction With Transition Zone: A Peculiar Eastern Severe Dysmotility.

Publications

Colonic Pseudo-obstruction With Transition Zone: A Peculiar Eastern Severe Dysmotility.

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